With two new movies and her fiancé, Justin Timberlake, by her side, InStyle cover girl Jessica Biel has a lot to be thankful for—including her covetable chocolate waves! Try on the loose crimps she wore on our August cover in our Hollywood Makeover Tool by uploading your picture now. You'll have a brand new look in seconds—no styling required. (You can even post your new 'do to Facebook and Twitter to share with your friends!) Head over to our Hollywood Makeover Tool to get started. And be sure to pick up the latest issue of InStyle to read our exclusive interview with Biel, on newsstands now.